ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.1 > C44.19 > C44.199 C44.199 Other specified malignant neoplasm of skin of left eyelid, including canthus Non-Billable/Non-Specific Codes C44.1991Other specified malignant neoplasm of skin of left upper eyelid, including canthusC44.1992Other specified malignant neoplasm of skin of left lower eyelid, including canthus